Add guard check to be consistent with other normalizers

norkunas · norkunas · commit a4e9d30af3cf · 2020-09-11T06:49:17.000+03:00
diff --git a/src/Symfony/Component/Serializer/Normalizer/UidNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/UidNormalizer.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Serializer\Normalizer;
 
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
 use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
 use Symfony\Component\Uid\AbstractUid;
 use Symfony\Component\Uid\Ulid;
@@ -23,6 +24,10 @@ final class UidNormalizer implements NormalizerInterface, DenormalizerInterface,
      */
     public function normalize($object, string $format = null, array $context = [])
     {
+        if (!$object instanceof AbstractUid) {
+            throw new InvalidArgumentException('The object must be an instance of "Symfony\Component\Uid\AbstractUid".');
+        }
+
         return (string) $object;
     }
 
